39209420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63241}}^1$

素因数の和:63281

約数の個数: 24

約数和(自身を含む): 84997248

約数和(自身を除く): 45787828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 63241, 126482, 252964, 316205, 632410, 1264820, 1960471, 3920942, 7841884, 9802355, 19604710, 39209420]

約数ペア:

[(1, 39209420), (2, 19604710), (4, 9802355), (5, 7841884), (10, 3920942), (20, 1960471), (31, 1264820), (62, 632410), (124, 316205), (155, 252964), (310, 126482), (620, 63241)]